CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Revenues
Revenues	$ 8,732	$ 39,768	$ 63,282	$ 92,618
Cost of sales
Cost of product sales and services, exclusive of depreciation and amortization expense shown below	6,393	23,081	37,007	49,844
Selling, general and administrative expenses	15,473	22,893	36,308	45,919
Depreciation	994	1,495	2,446	2,921
Amortization	104	1,137	1,237	2,298
Change in fair value of contingent consideration				37
Impairment		7,919	50,194	7,919
Loss from operations	(14,232)	(16,757)	(63,910)	(16,320)
Other income (expense)
Interest expense, net	(424)	(556)	(746)	(1,073)
Other income, net	8	17	166	90
Foreign currency exchange loss, net	(217)	(250)	(207)	(547)
Total other expense	(633)	(789)	(787)	(1,530)
Loss before income tax	(14,865)	(17,546)	(64,697)	(17,850)
Income tax (benefit) expense	(5,973)	2,022	(6,898)	11,596
Net loss	(8,892)	(19,568)	(57,799)	(29,446)
Net (loss) income attributable to non-controlling interest	(135)	2,733	2,507	4,821
Net loss attributable to NCS Multistage Holdings, Inc.	$ (8,757)	$ (22,301)	$ (60,306)	$ (34,267)
Loss per common share
Basic loss per common share attributable to NCS Multistage Holdings, Inc. (in dollars per share)	$ (0.19)	$ (0.48)	$ (1.28)	$ (0.74)
Diluted loss per common share attributable to NCS Multistage Holdings, Inc. (in dollars per share)	$ (0.19)	$ (0.48)	$ (1.28)	$ (0.74)
Weighted average common shares outstanding
Basic	47,319,000	46,766,000	47,184,000	46,380,000
Diluted	47,319,000	46,766,000	47,184,000	46,380,000
Product sales [Member]
Revenues
Revenues	$ 4,858	$ 29,945	$ 44,288	$ 67,177
Cost of sales
Cost of product sales and services, exclusive of depreciation and amortization expense shown below	3,869	16,490	27,317	33,236
Services [Member]
Revenues
Revenues	3,874	9,823	18,994	25,441
Cost of sales
Cost of product sales and services, exclusive of depreciation and amortization expense shown below	$ 2,524	$ 6,591	$ 9,690	$ 16,608